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Duplex Steel S32205 Flanges are essential parts used to join pipes, valves, and assorted equipment within piping systems. Manufactured to order from Duplex stainless steel grade S32205, these flanges are well known for their outstanding corrosion resistance, remarkable mechanical strength, and excellent weldability. This duplex alloy merges the advantages of both austenitic and ferritic stainless steels, guaranteeing reliable performance in challenging environments like chemical processing, oil and gas exploration, and marine applications. Thanks to their strong resistance to stress corrosion cracking and pitting, Duplex Steel S32205 flanges deliver a dependable and long-lasting solution for industrial piping requirements.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 24″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we hold an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel S32205 Flanges in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance:Duplex Steel S32205 Flanges provide outstanding resistance to corrosion across a wide range of aggressive environments, including those containing chlorides such as seawater, brine solutions, and chemical processing settings. This corrosion resistance contributes to a longer working life for the flanges, lower maintenance expenses, and dependable performance under demanding conditions.
High Strength:Duplex Steel S32205 Flanges demonstrate strong mechanical strength, enabling them to endure high-pressure and high-temperature uses while maintaining their structural integrity. Their excellent strength-to-weight ratio makes them well-suited for critical uses where robustness and durability are key requirements.
Versatility:Duplex Steel S32205 Flanges deliver versatility across their uses thanks to their blend of characteristics, such as corrosion resistance, high strength, and weldability. They are applicable in a broad spectrum of industries and uses, including chemical processing, petrochemical, offshore, marine, and power generation sectors.
Cost-Effectiveness:Even with their superior characteristics, Duplex Steel S32205 Flanges are cost-effective when compared with other corrosion-resistant alloys such as austenitic stainless steels and nickel alloys. Their extended service life, lower maintenance needs, and reduced lifecycle costs add up to overall cost savings for the end-user.
Weldability:Duplex Steel S32205 Flanges show good weldability, permitting straightforward fabrication and installation in a variety of piping systems and structures. They can be joined using standard welding methods, including gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and shielded metal arc welding (SMAW), without the danger of sensitization or reduced corrosion resistance.
Resistance to Chloride Stress Corrosion Cracking:Duplex Steel S32205 Flanges provide outstanding resistance to chloride-induced stress corrosion cracking, which makes them well-suited for chloride-rich settings like coastal regions, marine applications, and chemical processing plants. This resistance helps preserve the integrity and dependability of the flanges even in harsh environments.
Duplex Steel S32205 Flanges are widely used across numerous industries thanks to their outstanding characteristics. Within the oil and gas sector, these flanges are frequently used in offshore drilling platforms, subsea pipelines, and refining facilities, where they deliver dependable connections that withstand corrosive seawater and demanding conditions. Likewise, in chemical processing plants, they serve an essential function in reactors, storage tanks, and piping systems, providing protection against corrosive chemicals and elevated temperatures.
Oil and Gas Industry:Duplex Steel S32205 Flanges are widely applied in offshore drilling platforms, subsea pipelines, and oil refining plants owing to their outstanding resistance to corrosion from seawater, brine solutions, and acidic conditions. They deliver dependable connections for piping systems, valves, and equipment operating in demanding offshore settings.
Chemical Processing:Within chemical processing plants, Duplex Steel S32205 Flanges serve a range of purposes including chemical reactors, storage tanks, and process piping systems. Because they withstand corrosive chemicals and elevated temperatures, they are well suited for managing aggressive acids, alkalis, and solvents.
Petrochemical Industry:Duplex Steel S32205 Flanges are used in petrochemical refineries to link pipelines, heat exchangers, and pressure vessels. They provide protection against corrosion caused by hydrocarbons, hydrogen sulfide, and chloride-bearing compounds frequently encountered in petrochemical operations.
Power Generation:At power generation facilities, Duplex Steel S32205 Flanges are used in steam turbines, boiler feedwater systems, and heat exchangers thanks to their ability to withstand high temperatures and steam corrosion. They ensure dependable connections for essential components within power plants, supporting efficient performance and extended service life.
Desalination Plants:Duplex Steel S32205 Flanges are used in desalination plants for seawater intake and brine discharge systems. Their resistance to chloride-driven corrosion and stress corrosion cracking makes them appropriate for seawater desalination processes, where dependability and durability are critical.
Corrosion Resistance:Assess how well Duplex Steel S32205 Flanges withstand corrosion, especially in settings where contact with corrosive agents like chloride, acids, and alkalis frequently occurs. Confirm that the flanges offer adequate corrosion resistance to preserve their integrity and durability under demanding conditions.
Temperature and Pressure Ratings:Identify the temperature and pressure demands of the application in order to choose Duplex Steel S32205 Flanges with suitable ratings. Make certain the flanges can endure the operating temperatures and pressures without sacrificing performance or safety.
Size and Dimensional Requirements:Take into account the size and dimensional details of the flanges to guarantee they work with existing piping systems, valves, and equipment. Pick flanges with the proper size, diameter, and thickness to enable correct installation and connection.
Flange Type and Configuration:Select the suitable flange type and configuration according to the particular needs of the application. Frequently used types include weld neck, slip-on, threaded, socket weld, and blind flanges, with each providing distinct features and benefits depending on the installation and operational requirements.
Standards and Specifications:Confirm that the Duplex Steel S32205 Flanges meet the applicable industry standards and specifications, including ASTM, ASME, ANSI, and DIN standards. Following these standards guarantees product quality, performance, and safety.
Yes, Duplex Steel S32205 Flanges can be welded effectively. A range of welding techniques—such as Shielded Metal Arc Welding (SMAW), Gas Tungsten Arc Welding (GTAW), Gas Metal Arc Welding (GMAW), and Flux-Cored Arc Welding (FCAW)—can be applied to join Duplex Steel S32205 Flanges.
To weld Duplex Steel S32205 flanges properly, a number of precautions must be observed to guarantee sound welds and preserve the material’s integrity. To begin with, the surfaces must be cleaned carefully to eliminate any contaminants that might compromise weld quality. Furthermore, choosing the right welding parameters, including heat input and travel speed, is vital to avoid overheating and prevent the formation of detrimental phases such as sigma phase.
The pressure and temperature ratings of Duplex Steel S32205 flanges differ based on factors like the flange type, size, and the particular needs of the application. In most cases, Duplex Steel S32205 flanges are built to endure high-pressure and high-temperature conditions, which makes them appropriate for a broad array of industrial uses.
Yes, Duplex Steel S32205 flanges can be obtained in a range of sizes and types to match different applications and installation needs. These flanges are offered in various dimensions, spanning from small nominal sizes up to larger diameters, in order to fit different pipe sizes and system configurations.
Email: sales@koasteel.nz